| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 424.03 | USD | 20251206 |
| Changzhou Qidi Chem | China national standards | MT | 424.03 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 452.3 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 353.36 | USD | 20251206 |
| Shandong Xima | China national standards | MT | 325.09 | USD | 20251206 |
| Shandong Qiancheng | Industrial Grade | MT | 508.84 | USD | 20251206 |
| Shandong Qiancheng | China national standards | MT | 395.77 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 1045.95 | USD | 20251206 |